Tire tread



FIG. 1 is a perspective view of a tire tread showing our new tread design, it being understood that the tread pattern is repeated unifomrly throughout the circumference of the tire tread with the tread pattern being the same as for the side shown; and,

FIG. 2 is an enlarged fragmentary front elevation view of the tire tread illustrated in FIG. 1 showing our new design. 

The ornamental design for a tire tread, as shown and described. 